90178480

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{161033}}^1$

素因数の和:161053

約数の個数: 40

約数和(自身を含む): 239618592

約数和(自身を除く): 149440112

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 161033, 322066, 644132, 805165, 1127231, 1288264, 1610330, 2254462, 2576528, 3220660, 4508924, 5636155, 6441320, 9017848, 11272310, 12882640, 18035696, 22544620, 45089240, 90178480]

約数ペア:

[(1, 90178480), (2, 45089240), (4, 22544620), (5, 18035696), (7, 12882640), (8, 11272310), (10, 9017848), (14, 6441320), (16, 5636155), (20, 4508924), (28, 3220660), (35, 2576528), (40, 2254462), (56, 1610330), (70, 1288264), (80, 1127231), (112, 805165), (140, 644132), (280, 322066), (560, 161033)]